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July 1, 2026Wiley Interdisciplinary Reviews - RNA

Spatiotemporal Control of microRNA –Target Interactions

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Authors

LLLinh T. T. Le

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Overview

Narrative review reveals how intracellular spatial compartmentalization and molecular kinetics govern microRNA silencing efficiency in eukaryotic cells, highlighting a spatiotemporal regulatory...

Key Points

  • To review how intracellular spatial organization and kinetic timescales jointly modulate microRNA-mediated gene repression beyond simple sequence complementarity and steady-state transcript levels.
  • Synthesized molecular and biochemical studies investigating microRNA–target interaction mechanisms within distinct subcellular compartments.
  • Evaluated findings from quantitative, high-resolution live-cell imaging approaches designed to capture single-molecule RNA dynamics and complex turnover.
  • Intracellular microenvironments structure silencing by modulating the local concentration and collision frequency of Argonaute-containing RNA-induced silencing complexes (RISCs) with target RNAs and cofactors.
  • Temporal parameters, including Argonaute loading, complex turnover, molecular dwell times, and transcript half-lives, critically determine whether target engagement leads to productive silencing.

Cite This Study

Linh T. T. Le (2026) studied this question.

synapsesocial.com/papers/6a7a18e877336a1bae02a25fhttps://doi.org/10.1002/wrna.70053
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